What causes the appearance of lines in a emission spectrum

True or False: when measuring speed the distance must be considered to be rectilinear (in a line)

What is the direction of transfer of energy in the waves produced?

At what water depth will a deep-water wave with a wavelength of 40 meters begin to "feel bottom"? 5 meters 15 meters 20 meters 10 meters

Which of. the following was not a major advantage of Copernicus's Sun-centered model over the Ptolemaic model? (a) It made signifi. Cllntly better predictions of planetary positions in our sky.

10. A bullet is moving at a speed of 367 m/s when it embeds into a lump of moist clay. The bullet penetrates a foe and comes to a stop at a distance of 0.0621m. Determine the acceleration of the bullet while moving into the clay.

What is the distance from earth to sun in meters scientific notation?

You are learning about energy transformations in science class. Sally's group made this electromagnet using a battery and some wire. Describe the energy transformation you see here.

describe a potentially life threatening situation that could occur in the client who abruptly withdraws from long term use of cns stimulants

Based on the assumption that a liquid conducting core and rapid rotation are both required for a magnetic field to operate, which terrestrial planets would you expect to have magnetic fields?

At a temperature of 320K, the gas in a cylinder has a volume of 40.0 liters. If the volume of the gas is decreased to 20.0 liters, what must the temperature be for the gas pressure to remain constant? A. 160 K B. 273 K C. 560 K D. 140 K